Shop 8020 T-Slot Aluminum Extrusion Profiles

My question is - why use expensive extruded aluminum T-slot? I mean, for a CNC router it makes sense because you need sub-millimeter

Of numerous aluminum extrusion profiles, v-slot and t-slot aluminum profiles are the most common ones Sometimes they are used interchangeably, but they are not

aluminum t slot rails Component Strength: T-Slot Aluminum vs Steel ; Standard Mild Steel Aluminum Extrusions ; Tensile Strength ~55,000 psi 37,700 psi ; Density ~

aluminum t slot table This EasyMech 1000 mm 30X30 4 T Slot Aluminium Extrusion Profile is a new addition in the product lineup from after the robot